summaryrefslogtreecommitdiffstats
path: root/database/engine/journalfile_v2.ksy.in
diff options
context:
space:
mode:
Diffstat (limited to 'database/engine/journalfile_v2.ksy.in')
-rw-r--r--database/engine/journalfile_v2.ksy.in150
1 files changed, 150 insertions, 0 deletions
diff --git a/database/engine/journalfile_v2.ksy.in b/database/engine/journalfile_v2.ksy.in
new file mode 100644
index 000000000..6a656bc45
--- /dev/null
+++ b/database/engine/journalfile_v2.ksy.in
@@ -0,0 +1,150 @@
+meta:
+ id: journalfile_v2`'ifdef(`VIRT_MEMBERS',`_virtmemb')
+ endian: le
+ application: netdata
+ file-extension: njfv2
+ license: GPL-3.0-or-later
+
+seq:
+ - id: journal_v2_header
+ type: journal_v2_header
+ size: 4096
+ - id: extent_list
+ type: journal_v2_extent_list
+ repeat: expr
+ repeat-expr: journal_v2_header.extent_count
+ - id: extent_trailer
+ type: journal_v2_block_trailer
+ - id: metric_list
+ type: journal_v2_metric_list
+ repeat: expr
+ repeat-expr: journal_v2_header.metric_count
+ - id: metric_trailer
+ type: journal_v2_block_trailer
+ - id: page_blocs
+ type: journal_v2_page_block
+ repeat: expr
+ repeat-expr: _root.journal_v2_header.metric_count
+ - id: padding
+ size: _root._io.size - _root._io.pos - 4
+ - id: journal_file_trailer
+ type: journal_v2_block_trailer
+
+types:
+ journal_v2_metric_list:
+ seq:
+ - id: uuid
+ size: 16
+ - id: entries
+ type: u4
+ - id: page_offset
+ type: u4
+ - id: delta_start_s
+ type: u4
+ - id: delta_end_s
+ type: u4
+ifdef(`VIRT_MEMBERS',
+` instances:
+ page_block:
+ type: journal_v2_page_block
+ io: _root._io
+ pos: page_offset
+')dnl
+ journal_v2_page_hdr:
+ seq:
+ - id: crc
+ type: u4
+ - id: uuid_offset
+ type: u4
+ - id: entries
+ type: u4
+ - id: uuid
+ size: 16
+ journal_v2_page_list:
+ seq:
+ - id: delta_start_s
+ type: u4
+ - id: delta_end_s
+ type: u4
+ - id: extent_idx
+ type: u4
+ - id: update_every_s
+ type: u4
+ - id: page_len
+ type: u2
+ - id: type
+ type: u1
+ - id: reserved
+ type: u1
+ifdef(`VIRT_MEMBERS',
+` instances:
+ extent:
+ io: _root._io
+ type: journal_v2_extent_list
+ pos: _root.journal_v2_header.extent_offset + (extent_idx * 16)
+')dnl
+ journal_v2_header:
+ seq:
+ - id: magic
+ contents: [ 0x19, 0x10, 0x22, 0x01 ] #0x01221019
+ - id: reserved
+ type: u4
+ - id: start_time_ut
+ type: u8
+ - id: end_time_ut
+ type: u8
+ - id: extent_count
+ type: u4
+ - id: extent_offset
+ type: u4
+ - id: metric_count
+ type: u4
+ - id: metric_offset
+ type: u4
+ - id: page_count
+ type: u4
+ - id: page_offset
+ type: u4
+ - id: extent_trailer_offset
+ type: u4
+ - id: metric_trailer_offset
+ type: u4
+ - id: original_file_size
+ type: u4
+ - id: total_file_size
+ type: u4
+ - id: data
+ type: u8
+ifdef(`VIRT_MEMBERS',
+` instances:
+ trailer:
+ io: _root._io
+ type: journal_v2_block_trailer
+ pos: _root._io.size - 4
+')dnl
+ journal_v2_block_trailer:
+ seq:
+ - id: checksum
+ type: u4
+ journal_v2_extent_list:
+ seq:
+ - id: datafile_offset
+ type: u8
+ - id: datafile_size
+ type: u4
+ - id: file_idx
+ type: u2
+ - id: page_cnt
+ type: u1
+ - id: padding
+ type: u1
+ journal_v2_page_block:
+ seq:
+ - id: hdr
+ type: journal_v2_page_hdr
+ - id: page_list
+ type: journal_v2_page_list
+ repeat: expr
+ repeat-expr: hdr.entries
+ - id: block_trailer
+ type: journal_v2_block_trailer